| Brand | Square D |
|---|---|
| Product Type | Guide |
Check the listing for details. Vintage Square D Motor Data Slide Calculator Chart 1981 NEC Engineering Electric. Condition: Used. Listed at 5.00 USD. • Year: 1981 NEC Standards. • Designed for calculating motor and wiring specifications in compliance with NEC standards. This plate provides detailed motor data, wire, and conduit information, making it perfect for professional use or as a piece of industrial history.